NCSS Moment Tensor Solution

Solution reviewed by Qingkai Kong

Moment Tensor Diagram

Variance Reduction vs Depth plot
Hypocentral Location:
Event ID73166265
Origin Time2019/04/15 11:54:03
Latitude38.8157
Longitude-122.7995
Depth (TT)1.0 km
Depth (MT; not authoritative)5 km

Magnitudes:
Md3.73 (not authoritative)
Ml3.62 (not authoritative)
Mw4.12 (authoritative)

Principal Axes:
Scale1.0E+22 Dyne-cm
AxisValuePlungeAzimuth
T1.9262.534285.588
N-0.12161.80520.322
P-1.80528.061194.236

Source Composition:
TypePercent
DC87
CLVD13
Iso(null)
Moment Tensor (Aki & Richards Convention):
Mo1.87e+22 Dyne-cm
Mxx-1.206e+22 Dyne-cm
Mxy-8.414e+21 Dyne-cm
Mxz7.020e+21 Dyne-cm
Myy1.695e+22 Dyne-cm
Myz8.486e+20 Dyne-cm
Mzz-4.896e+21 Dyne-cm
Variance Reduction88%
Version number2
Solution time2019/04/15 12:58:38 UTC

Best-fit Double Couple Solution
PlaneStrikeRakeDip
NP1236-2272
NP2334-16169

Waveform data (solid line) and synthetic data (dashed line) from the moment tensor inversion: